Our acclimation & quarantine boxes can be used for a variety of different aquarium uses. You can use it for new fish to acclimate to your tank as well as using it to house anemones. The options are endless. These boxes also utilize a removable center separator for added convenience. This product is made in house by us utilizing 3D printer technology. Our 3D printed products are durable and utilize strong magnets to ensure that your product stays put. We recommend using these racks in glass aquariums up to 1/2″ thick and acrylic aquariums up to 3/8″ thick. Please note: Due to this frag rack being 3D printed, it is subject to have some minor cosmetic issues, however does not impair the use of the product.